package com.atguigu.gulimall.order.config;

import com.atguigu.gulimall.order.entity.OrderEntity;
import com.rabbitmq.client.Channel;
import org.springframework.amqp.core.*;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import java.io.IOException;
import java.util.HashMap;

@Configuration
public class MyMQConfig {

    /**
    @RabbitListener(queues = "order.release.order.queue")
    public void listener(OrderEntity orderEntity, Channel channel, Message message) throws IOException {
        System.out.println("收到过期的订单消息:准备关闭订单"+orderEntity.getOrderSn());
        // 手动ACK
        channel.basicAck(message.getMessageProperties().getDeliveryTag(),false);
    }*/

    @Bean
    public Queue orderDelayQueue(){
        HashMap<String, Object> arguments = new HashMap<>();
        arguments.put("x-dead-letter-exchange","order.event.exchange");
        arguments.put("x-dead-letter-routing-key","order.release.order");
        arguments.put("x-message-ttl",60000);
        // String name, boolean durable, boolean exclusive, boolean autoDelete,@Nullable Map<String, Object> arguments
        Queue queue = new Queue("order.delay.queue",true,false,false,arguments);
        return queue;
    };

    @Bean
    public Queue orderReleaseOrderQueue(){
        Queue queue = new Queue("order.release.order.queue",true,false,false);
        return queue;
    }

    @Bean
    public Exchange orderEventExchange(){
        TopicExchange exchange = new TopicExchange("order.event.exchange", true, false);
        return exchange;
    }

    @Bean
    public Binding orderCreateOrderBinding(){
        return new Binding("order.delay.queue",
                            Binding.DestinationType.QUEUE,
                  "order.event.exchange",
                 "order.create.order",null);
    }

    @Bean
    public Binding orderReleaseOrderBinding(){
        Binding binding = new Binding("order.release.order.queue",
                                      Binding.DestinationType.QUEUE,
                            "order.event.exchange",
                           "order.release.order", null);
        return binding;
    }

    // 绑定解锁库存队列关系
    @Bean
    public Binding orderReleaseOtherBinding(){
        return new Binding("stock.release.stock.queue",
                Binding.DestinationType.QUEUE,
                "order.event.exchange",
                "order.release.other.#",null);
    }

}
